I34.81 – Nonrheumatic mitral (valve) annulus calcification
ICD-10-CM 2027 diagnosis code · Other forms of heart disease
ICD-10-CM code
I34.81
- Code
I34.81(claims format:I3481)- Description
- Nonrheumatic mitral (valve) annulus calcification
- Billable
- Yes – valid for HIPAA-covered transactions
- Valid for
- Dates of service October 1, 2026 – September 30, 2027 (FY2027)
- Chapter
- 9. Diseases of the circulatory system (I00-I99)
- Block
- I30-I5A Other forms of heart disease
- Parent codes
- I34 › I34.8
Notes for I34.81
Applicable to:
- Nonrheumatic mitral (valve) annular calcification
- Mitral (valve) annulus calcification NOS
Notes inherited from parent codes
Instructional notes at a category or block level apply to every code below it.
I34 – Nonrheumatic mitral valve disorders
Excludes1 (not coded here):
- mitral valve disease (I05.9)
- mitral valve failure (I05.8)
- mitral valve stenosis (I05.0)
- mitral valve disorder of unspecified cause with diseases of aortic and/or tricuspid valve(s) (I08.-)
- mitral valve disorder of unspecified cause with mitral stenosis or obstruction (I05.0)
- mitral valve disorder specified as congenital (Q23.2, Q23.9)
- mitral valve disorder specified as rheumatic (I05.-)
Index terms for I34.81
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in I34.8
Frequently asked questions
What is ICD-10 code I34.81?
I34.81 is the ICD-10-CM code for nonrheumatic mitral (valve) annulus calcification, in the block I30-I5A (Other forms of heart disease).
Is I34.81 a billable code?
Yes. I34.81 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does I34.81 belong to?
It belongs to category I34 – Nonrheumatic mitral valve disorders.
Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.